Protagonist Therapeutics, Inc (NASDAQ: PTGX) Stock Information | RedChip
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Protagonist Therapeutics, Inc (NASDAQ: PTGX)
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$123.21
+1.0590 ( +0.87% ) 12.0K

Protagonist Therapeutics Inc is a clinical-stage biopharmaceutical company having a proprietary technology platform that enables the discovery and development of novel constrained peptide-based drug candidates to address medical needs. Its pipeline products include Rusfertide (PTG-300) and JNJ-2113.

Market Data


Open $123.21
Previous Close $122.15
Volume 12.0K
Market Cap $7.86B
Day Range $119.80 - $126.00
52 Week Range $49.38 - $126.00
Shares Outstanding 64.31M
Change % +0.87%
Net Change ▲ 1.0590
Insider Ownership -0.02%
Exchange NASDAQ
SectorMiscellaneous
IndustryNone
IPO Year2016
CountryUnited States
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: -8,000.00

Date Type Amount Purchased Purchaser
2024-07-26 Sale -8000.00 Waddill William D.

SEC Filings


Form Type Description Pages Date
8-k 8K-related 14 Nov 06, 2025
10-q Quarterly Reports 58 Nov 06, 2025
4 Insider transactions 1 Oct 14, 2025
4 Insider transactions 1 Sep 24, 2025
4 Insider transactions 1 Sep 18, 2025
4 Insider transactions 1 Aug 29, 2025
10-q Quarterly Reports 58 Aug 06, 2025
8-k 8K-related 14 Aug 06, 2025
4 Insider transactions 1 Jul 28, 2025
4 Insider transactions 1 Jul 23, 2025

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